Kerman onyx is one of the types of export and Iranian stones that is produced in Goldstone. Kerman is a mine of various types of stones, including onyx . In fact, it is said that Kerman is a paradise of marble and is unique in terms of variety and color of onyx in this province. The high quality of this stone compared to foreign stones and the very reasonable price of this stone has made many employers want to use these beautiful stones. This stone is sold both processed and raw.